Authors:

If you say the Rosary faithfully unto death, I do assure you that, in spite of the gravity of your sins, 'you will receive a never-fading crown of glory'

St. Louis de Montfort (1983). “The Secret of the Rosary”, p.13, TAN Books
If you say the Rosary faithfully unto death, I do assure you that, in spite of the gravity of your sins, 'you will receive a never-fading crown of glory'